The oil filter bypass valve on certain 2013 model year Audi 4.0L vehicles may not be present or may have...
Audi technical service bulletin Campaign Circula for 2013 Audi A8, 2013 Audi S6 and 2013 Audi S7 and others.
- Bulletin number
- Campaign Circula
- Component
- Engine and engine cooling
- Summary
- The oil filter bypass valve on certain 2013 model year Audi 4.0L vehicles may not be present or may have been incorrectly installed during production.
Owners of these vehicles have filed 96 complaints in the engine category.
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